package cn.nebula.music.service;

import java.util.Set;

import cn.nebula.music.domain.Classification;

public interface ClassificationService {
	public Set<Classification> findAllClassifications() throws Exception;

	public Set<Classification> findAllClassificationsOfBT() throws Exception;

	public Classification findClassificationById(Integer id) throws Exception;

	public Classification findClassificationByName(String name) throws Exception;

	public void addClassification(Classification classification) throws Exception;

	public void updateClassification(Classification classification) throws Exception;

	public void deleteClassificationById(Integer id) throws Exception;
}
